Inspection Procedure

1. Check whether the stop lamps turn on and off normally when the brake pedal is depressed and released.

   OK : Stop lamps turn ON when brake pedal is depressed. 

1. NG : REPAIR OR REPLACE STOP LAMP SWITCH CIRCUIT 
2. OK : GO TO NEXT STEP 

1. Connect a hand-held tester or OBD II scan tool to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the tester or scan tool ON.
4. On the tester, select the following menu items: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / STOP LIGHT SW.
5. Read the value displayed on the tester.
6. If using an OBD II scan tool, refer to the instruction manual.

Standard: 

Fig 1: Identifying Brake Pedal Depress & Brake Pedal Release Position

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1. OK : (See  CHECK FOR INTERMITTENT PROBLEMS   ) 
2. NG : GO TO NEXT STEP 

1. Check the resistance when the stop lamp switch is ON and OFF.

Standard: 

Fig 2: Inspecting Stop Lamp Switch Assy

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1. NG : REPLACE STOP LAMP SWITCH ASSY 
2. OK : GO TO NEXT STEP 

1. Disconnect the S6 stop lamp switch connector.
2. Disconnect the E5 ECM connector.
3. Check the resistance.

   Standard (Check for open): 

   RESISTANCE SPECIFICATIONS FOR OPEN
   
   

   Tester Connections	Specified Conditions
   Stop lamp switch (S6-1) - STP (E5-19)	Below 1 Ω

   Standard (Check for short): 

   RESISTANCE SPECIFICATIONS FOR SHORT
   
   

   Tester Connections	Specified Conditions
   Stop lamp switch (S6-1) or STP (E5-19) - Body ground	10 kΩ or higher

   Fig 3: Disconnecting S6 Stop Lamp Switch Connector

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4. Reconnect the stop lamp switch connector.
5. Reconnect the ECM connector.
   Fig 4: Disconnecting E5 ECM Connector

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1. NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 
2. OK : REPLACE ECM (See  REPLACEMENT  )